Bug 103029 – REGRESSION(r135433): "IDBRequestTest.EventsAfterStopping crashes" (Requested by yurys on #webkit).

• Component: New Bugs
• Status: RESOLVED FIXED

[WebKit Review Bot]

http://trac.webkit.org/changeset/135433 broke the build:
"IDBRequestTest.EventsAfterStopping crashes" (Requested by yurys on #webkit).

This is an automatic bug report generated by the sheriff-bot. If this bug
report was created because of a flaky test, please file a bug for the flaky
test (if we don't already have one on file) and dup this bug against that bug
so that we can track how often these flaky tests case pain.

"Only you can prevent forest fires." -- Smokey the Bear

[WebKit Review Bot]

Created attachment 175601 [details]
ROLLOUT of r135433

Any committer can land this patch automatically by marking it commit-queue+.  The commit-queue will build and test the patch before landing to ensure that the rollout will be successful.  This process takes approximately 15 minutes.

If you would like to land the rollout faster, you can use the following command:

  webkit-patch land-attachment ATTACHMENT_ID

where ATTACHMENT_ID is the ID of this attachment.

[Yury Semikhatsky]

Here is the result from local run:

[----------] 2 tests from IDBRequestTest
[ RUN      ] IDBRequestTest.EventsAfterStopping
1   0x86a165
2   0x869fb9
3   0x4d121e
4   0xd44f15
5   0xd4578d
6   0xd45cd9
7   0xd4a1c6
8   0xd49ebd
9   0x66b551
10  0x41a759
11  0x7f6255cf5c4d __libc_start_main
12  0x41a659
Received signal 11
	base::debug::(anonymous namespace)::StackDumpSignalHandler() [0x817be7]
	<unknown> [0x7f6255d0aaf0]
	WebCore::WorldContextHandle::WorldContextHandle() [0x8c472c]
	WebCore::IDBRequest::IDBRequest() [0x86a165]
	WebCore::IDBRequest::create() [0x869fb9]
	(anonymous namespace)::IDBRequestTest_EventsAfterStopping_Test::TestBody() [0x4d121e]
	testing::Test::Run() [0xd44f15]
	testing::TestInfo::Run() [0xd4578d]
	testing::TestCase::Run() [0xd45cd9]
	testing::internal::UnitTestImpl::RunAllTests() [0xd4a1c6]
	testing::UnitTest::Run() [0xd49ebd]
	base::TestSuite::Run() [0x66b551]
	main [0x41a759]
	<unknown> [0x7f6255cf5c4d]
	<unknown> [0x41a659]


r135479 depends on r135433 so I'm rolling out both.

[Yury Semikhatsky]

Comment on attachment 175601 [details]
ROLLOUT of r135433

Clearing flags on attachment: 175601

Committed r135484: <http://trac.webkit.org/changeset/135484>

[Yury Semikhatsky]

All reviewed patches have been landed.  Closing bug.

[Yury Semikhatsky]

Looks like http://trac.webkit.org/changeset/135479 also broke 6 tests under http/tests/security/isolatedWorld/ on Win 7 dbg:

http://chromegw.corp.google.com/i/chromium.webkit/builders/WebKit%20Win7%20%28dbg%29%282%29/builds/741

Stack trace example:
crash log for DumpRenderTree (pid 13516):
STDOUT: V8 error: Cannot create a handle without a HandleScope (v8::HandleScope::CreateHandle()).  Current memory usage: 19 MB
STDERR: Backtrace:
STDERR: 	WebKit::WebFilterOperation::WebFilterOperation [0x615D3DC7+19647783]
STDERR: 	v8::Testing::operator= [0x6CAC4811+3761]
STDERR: 	v8::Locker::StopPreemption [0x6CB58FCE+376158]
STDERR: 	v8::Testing::DeoptimizeAll [0x6CAFAC18+34408]
STDERR: 	v8::Testing::DeoptimizeAll [0x6CAF5DC0+14352]
STDERR: 	v8::Context::SlowGetEmbedderData [0x6CAC717F+1135]
STDERR: 	v8::Context::SlowGetAlignedPointerFromEmbedderData [0x6CAC7E1B+59]
STDERR: 	v8::Isolate::Scope::Scope [0x6CAC355A+8832]
STDERR: 	WebKit::WebFilterOperation::WebFilterOperation [0x60D93748+10995368]
STDERR: 	WebKit::WebFilterOperation::WebFilterOperation [0x60FA4799+13162233]
STDERR: 	WebKit::WebFilterOperation::WebFilterOperation [0x6135C43C+17060764]
STDERR: 	WebKit::WebFilterOperation::WebFilterOperation [0x6135C336+17060502]
STDERR: 	WebKit::WebFilterOperation::WebFilterOperation [0x60D914B6+10986518]
STDERR: 	WebKit::WebFilterOperation::WebFilterOperation [0x60D94B6E+11000526]
STDERR: 	WebKit::WebFilterOperation::WebFilterOperation [0x60D38354+10621620]
STDERR: 	WebKit::WebFilterOperation::WebFilterOperation [0x60D10DA1+10460417]
STDERR: 	WebKit::WebFilterOperation::WebFilterOperation [0x60E796BC+11937308]
STDERR: 	WebKit::WebArrayBufferView::byteOffset [0x60033906+1517007]
STDERR: 	WebKit::WebArrayBufferView::byteOffset [0x5FF6EDC4+711309]
STDERR: 	WebKit::WebFilterOperation::WebFilterOperation [0x60E7959D+11937021]
STDERR: 	WebKit::WebFilterOperation::WebFilterOperation [0x60E79A7D+11938269]
STDERR: 	WebKit::WebFilterOperation::WebFilterOperation [0x613FFB7A+17730266]
STDERR: 	WebKit::WebFilterOperation::WebFilterOperation [0x61286429+16184201]
STDERR: 	WebKit::WebFilterOperation::WebFilterOperation [0x614011A3+17735939]
STDERR: 	WebKit::WebFilterOperation::WebFilterOperation [0x61286F02+16186978]
STDERR: 	WebKit::WebFilterOperation::WebFilterOperation [0x60CE7F91+10292977]
STDERR: 	webkit_glue::WebClipboardImpl::WebClipboardImpl [0x6AC5FC6F+594011]
STDERR: 	(No symbol) [0x004C6744]
STDERR: 	(No symbol) [0x004CE1B0]
STDERR: 	(No symbol) [0x004CDE17]
STDERR: 	(No symbol) [0x004CD7CF]
STDERR: 	base::internal::LockImpl::os_lock [0x6DDE9E7F+435211]
STDERR: 	base::internal::LockImpl::os_lock [0x6DDF5504+481936]
STDERR: 	base::internal::LockImpl::os_lock [0x6DDF5934+483008]
STDERR: 	base::internal::LockImpl::os_lock [0x6DDF67F3+486783]
STDERR: 	base::internal::LockImpl::os_lock [0x6DE0A634+568256]
STDERR: 	base::internal::LockImpl::os_lock [0x6DE09742+564430]
STDERR: 	base::internal::LockImpl::os_lock [0x6DD95C0C+90520]
STDERR: 	base::internal::LockImpl::os_lock [0x6DDF5049+480725]
STDERR: 	base::internal::LockImpl::os_lock [0x6DDF4D9B+480039]
STDERR: 	base::internal::LockImpl::os_lock [0x6DDC4089+280085]
STDERR: 	base::internal::LockImpl::os_lock [0x6DDF4091+476701]
STDERR: 	(No symbol) [0x003EC33D]
STDERR: 	(No symbol) [0x0030FA2D]
STDERR: 	(No symbol) [0x003714E0]
STDERR: 	(No symbol) [0x0032A3E9]
STDERR: 	(No symbol) [0x003294D5]
STDERR: 	(No symbol) [0x00505F4F]
STDERR: 	(No symbol) [0x00505D7F]
STDERR: 	BaseThreadInitThunk [0x755B339A+18]